35 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Gregory, Gastroenterologist in Sherman, TX?
Dr. Johnasan Gregory, MD is a Gastroenterologist, who primarily practices in Sherman, TX. He has been practicing for over 35 years and is board certified. Dr. Gregory completed his residency at Univ Tx Hlth Sc Sn Antonio, Gastroenterology; Univ Hosp Of Arkansas, Internal Medicine. Dr. Gregory is fluent in English and Spanish, and is currently seeing new patients. Dr. Gregory’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gregory’s office at (903) 957-0233.
Where did Dr. Gregory go to medical school and complete their residency?
Residency: Univ Tx Hlth Sc Sn Antonio, Gastroenterology; Univ Hosp Of Arkansas, Internal Medicine
Medical School: University of Tx Med Sch At San Antonio, San Antonio Tx
Is Dr. Gregory board certified as a Gastroenterologist?
Yes, Dr. Johnasan Gregory, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Gregory speak?
Dr. Gregory and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Gastroenterologist like Dr. Gregory typically treat?
As a Gastroenterologist, Dr. Gregory diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Gregory. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- GI Bleeding
- Internal Digestive Bleeding
- Digestive Tract Hemorrhage
ICD-10 Codes:
- K922: Gastrointestinal hemorrhage, unspecified
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Chronic Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Chronic gastritis
- Long-term stomach inflammation
- Persistent stomach lining inflammation
ICD-10 Codes:
- K2930: Chronic superficial gastritis without bleeding
What procedures does a Gastroenterologist like Dr. Gregory typically perform?
As a Gastroenterologist, Dr. Gregory performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Gregory. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.
Also known as:
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Biopsy
- Colorectal Polyp Removal
- Hot Biopsy Colonoscopy
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45384: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by hot biopsy forceps
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Stopping Bleeding in Esophagus, Stomach, or Duodenum
- EGD with Bleeding Control
- Upper GI Endoscopy for Bleeding
- Gastric Bleeding Treatment
CPT Codes:
- 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method
Does Dr. Gregory accept my insurance?
Dr. Gregory accepts most major insurance plans. Important: Please call our office at (903) 957-0233 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Gregory accept in Sherman, TX?
Dr. Gregory in Sherman, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Arkansas Blue Cross and Blue Shield
Centene Corporation
CVS Health (formerly Aetna)
Federal government of the United States
Humana
Medicaid
Medicare
State of Arkansas
UnitedHealth Group
View All Insurances
Where is Dr. Gregory's office located?
Dr. Johnasan Gregory's Primary Practice
300 N Highland Ave Ste 340
Sherman, TX 75092
(903) 957-0233
What is Dr. Gregory's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Gregory's National Provider Identifier (NPI) number is 1699774869.
What common questions do patients ask about Dr. Gregory?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Gregory
What is Dr. Johnasan Gregory's specialty?
Dr. Gregory is a Gastroenterologist near Sherman, TX.
What does a Gastroenterologist do?
An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.
Is this Dr. Johnasan Gregory affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Gregory is affiliated with Conway Regional Medical Center, Saint Mary's Regional Health System which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Johnasan Gregory accepting new patients in Sherman, TX?
Yes, Dr. Johnasan Gregory is accepting new patients at this time.
Does Dr. Johnasan Gregory offer online booking?
Please contact Dr. Gregory's office at (903) 957-0233 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Johnasan Gregory?
Please contact Dr. Gregory's office at (903) 957-0233 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Johnasan Gregory have?
Dr. Johnasan Gregory is certified by the American Board of Internal Medicine.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>